2003 mustang 4.6 v8

2003 Mustang Engine Information & Specs – 281 Modular V8 (4.6 L)

Modular 4.6L SOHC V8 Technical Specs & Data

2003 Mustang Engine Information – 281 cubic inch V-8 (4.6 L Ford Modular V8)

Ford’s Modular 4.6L SOHC V8

There were three versions of the 4.6 liter V8 available in 2003.

The Mach 1 got a 305 hp version of the 4.6L engine which was only available in the Mach 1 Mustang. The success of the 2001 Bullitt led to the production of this special edition Mach 1. The Mach 1 version of the 4.6 L DOHC engine bumped power to 305 hp. This all-aluminium engine features the same high flow heads as the 2003 – 2004 SVT Cobra. The engine also has intake camshafts sourced from Lincoln’s 5.4 Liter “InTech” V8 to provide more mid-range torque. It was was equipped with a Windsor Aluminum Plant or WAP block unique from the Teksid aluminium blocks used in the 1996–1999 Cobras

The Cobra engine was based on the engine available in the 1999 and 2001 Mustang Cobras, with new cylinder heads. The result was 390 hp @ 6,000 rpm and 390 lb/ft of torque at 3,500 rpm,. The 4.6 liter, supercharged engine is electronic fuel injected and have double overhead cams.

Year 2003
VIN Code X (GT)
Cylinders 8
Displacement 281 cu / 4.6 liters
Power (hp) 320 hp @ 6,000 RPM
Torque (lb/ft) 317 lb/ft @ 4,750 RPM
Compression 9.9:1
Type DOHC

 

Year 2003
VIN Code R (Mach 1)
Cylinders 8
Displacement 281 cu / 4.6 liters
Power (hp) 305 hp
Torque 320 lb/ft
Compression 10.1:1
Type DOHC

 

Year 2003
VIN Code Y (Cobra)
Cylinders 8
Displacement 281 cu / 4.6 liters
Power (hp) 390 hp @ 6,000 RPM
Torque (lb/ft) 390 lb/ft @ 3,500 RPM
Compression 9.4:1
Type DOHC